Route Price Intelligence
Cheap Flights From Boston to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$328
Deals From
$298
Usually Costs
$298 – $364
Lowest We've Seen
$199
Based on 3,186 price pointshigh confidence
Monthly Price Guide
Jan
$297
Feb
—
Mar
—
Apr
$364
May
$322
Jun
$363
Jul
$339
Aug
$309
Sep
$298
Oct
$309
Nov
$318
Dec
$425
Cheapest Average Expensive
Best Time to Fly from Boston to Ontario
The cheapest time to fly from Boston to Ontario is typically January, when fares average around $297. The most expensive month tends to be December at around $425. For the best deals, consider flying in January, September, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $21271 price checksWorst: $358